NGK HB6BIX-11P / 5705 Spark Plug HB6BIX11P Iridium IX Replaces VKB20

The NGK HB6BIX-11P (HB6BIX11P / 5705) Iridium IX spark plug is engineered for performance enthusiasts who demand reliability and power. It features a fine iridium tip for a stable, easily sparked flame and exceptional longevity, even in high-tech, high-performance engines. Its trivalent metal plating delivers superior anti-corrosion and anti-seizing protection, helping your ignition system stay clean and responsive. Expect improved throttle response, enhanced acceleration, better fuel efficiency, and reduced fouling across a wide range of conditions. This plug is designed to replace VKB20 (5705) and is ideal when you want maximum ignitability and consistent performance. If you’re unsure about compatibility, consult the cross-reference table or contact a specialist for guidance to ensure the right fit for your vehicle.